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Distributed Power Allocation for Nonorthogonal Multiple Access Heterogeneous Networks.

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Title: Distributed Power Allocation for Nonorthogonal Multiple Access Heterogeneous Networks.
Authors: Song, Zhengyu, Ni, Qiang, Sun, Xin
Source: IEEE Communications Letters; Mar2018, Vol. 22 Issue 3, p622-625, 4p
Abstract: In this letter, we investigate the power allocation problem in nonorthogonal multiple access (NOMA) heterogeneous networks (HetNets), where the macrocell base station (MBS) and small cell base station (SBS) compete to maximize their own throughput with minimum rate requirement of each user. The throughput of MBS and SBS is formulated based on the equivalent channel gain, and the power allocation problem is captured as a Stackelberg game. A distributed power allocation algorithm is proposed to achieve the Stackelberg equilibrium. Simulation results demonstrate the convergence of the proposed algorithm. Meanwhile, it is verified that the combination of NOMA and HetNets possesses great potential to improve the spectrum efficiency compared to the orthogonal multiple access based HetNets. [ABSTRACT FROM PUBLISHER]
Copyright of IEEE Communications Letters is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Distributed Power Allocation for Nonorthogonal Multiple Access Heterogeneous Networks.
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  Data: <searchLink fieldCode="AR" term="%22Song%2C+Zhengyu%22">Song, Zhengyu</searchLink><br /><searchLink fieldCode="AR" term="%22Ni%2C+Qiang%22">Ni, Qiang</searchLink><br /><searchLink fieldCode="AR" term="%22Sun%2C+Xin%22">Sun, Xin</searchLink>
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  Data: IEEE Communications Letters; Mar2018, Vol. 22 Issue 3, p622-625, 4p
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this letter, we investigate the power allocation problem in nonorthogonal multiple access (NOMA) heterogeneous networks (HetNets), where the macrocell base station (MBS) and small cell base station (SBS) compete to maximize their own throughput with minimum rate requirement of each user. The throughput of MBS and SBS is formulated based on the equivalent channel gain, and the power allocation problem is captured as a Stackelberg game. A distributed power allocation algorithm is proposed to achieve the Stackelberg equilibrium. Simulation results demonstrate the convergence of the proposed algorithm. Meanwhile, it is verified that the combination of NOMA and HetNets possesses great potential to improve the spectrum efficiency compared to the orthogonal multiple access based HetNets. [ABSTRACT FROM PUBLISHER]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of IEEE Communications Letters is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1109/LCOMM.2017.2789282
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              Text: Mar2018
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